Senior Orifice Fitting Simplex Orifice

Orifice Fittings and Meter Tubes

The original orifice plate holding device was the Orifice Flange Union (Figure 1). The Orifice Flange Union (OFU) was the only type orifice plate holder available until the invention of the Orifice Fitting or Meter. Figure 1 Orifice Flange Unions consist of two ANSI flanges (usually weldneck but slip-on or threaded types are

  Fitting, Orifice, Orifice fitting